:root {
  color-scheme: light;
  --ink: #202627;
  --paper: #f7f8f4;
  --white: #fff;
  --lime: #d6ed58;
  --blue: #416e80;
  --muted: #586263;
  --line: #d6dcd7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif; font-size: 16px; line-height: 1.7; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; z-index: 20; top: 0; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 72px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 18px; font-weight: 900; text-decoration: none; line-height: 1.25; white-space: nowrap; }
.brand-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; color: var(--ink); background: var(--lime); font-size: 18px; font-weight: 900; }
.nav { display: flex; gap: 24px; align-items: center; margin-left: auto; font-size: 14px; font-weight: 800; }
.nav a { text-decoration: none; }
.nav a:hover, .nav a:focus-visible { color: var(--blue); }
.header-actions { display: flex; gap: 8px; }
.header-actions a { border: 1px solid var(--ink); padding: 8px 14px; font-size: 13px; font-weight: 900; text-decoration: none; white-space: nowrap; }
.header-actions a:last-child { background: var(--ink); color: var(--white); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); width: 42px; height: 42px; font-size: 23px; }
.hero { position: relative; isolation: isolate; min-height: 500px; display: flex; align-items: center; overflow: hidden; color: var(--white); background: var(--ink); }
.hero > img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: center; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(19, 25, 26, .94), rgba(19, 25, 26, .7) 47%, rgba(19, 25, 26, .1)); }
.hero-copy { width: min(680px, 100%); padding: 56px 0; }
.eyebrow { color: var(--lime); font-size: 13px; font-weight: 900; }
.hero h1 { margin: 16px 0 19px; font-size: clamp(37px, 4.5vw, 62px); line-height: 1.2; word-break: keep-all; }
.hero p { max-width: 600px; margin: 0 0 29px; color: #eef0ed; font-size: 18px; word-break: keep-all; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 49px; padding: 11px 22px; font-weight: 900; text-decoration: none; border: 1px solid currentColor; }
.button.primary { color: var(--ink); background: var(--lime); border-color: var(--lime); }
.button.outline { color: var(--white); border-color: var(--white); }
.section { padding: 67px 0; }
.section-head { border-bottom: 2px solid var(--ink); padding-bottom: 20px; margin-bottom: 7px; }
.section-head .kicker { color: var(--blue); font-size: 13px; font-weight: 900; }
.section-head h2 { font-size: 30px; line-height: 1.35; margin: 6px 0 0; word-break: keep-all; }
.section-head p { max-width: 660px; margin: 8px 0 0; color: var(--muted); }
.guide-list { display: block; }
.guide { border-bottom: 1px solid var(--line); }
.guide a { display: grid; grid-template-columns: 58px 230px 1fr 35px; align-items: center; gap: 27px; padding: 24px 0; text-decoration: none; }
.guide .number { align-self: start; color: var(--blue); font-size: 14px; font-weight: 900; }
.guide img { width: 230px; height: 144px; object-fit: cover; }
.guide h3 { margin: 0 0 9px; font-size: 23px; line-height: 1.35; word-break: keep-all; }
.guide p { margin: 0; color: var(--muted); }
.guide .arrow { font-size: 28px; text-align: right; }
.guide a:hover h3, .guide a:focus-visible h3 { color: var(--blue); }
.summary-band { background: #e8ede6; padding: 51px 0; border-block: 1px solid #cbd7cd; }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 33px; }
.summary-grid h2 { margin: 0 0 12px; font-size: 22px; }
.summary-grid p { margin: 0; color: #455550; }
.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); padding: 19px 0; }
.faq summary { font-size: 18px; font-weight: 900; cursor: pointer; }
.faq p { margin: 11px 0 0; color: var(--muted); }
.site-footer { background: var(--ink); color: #e8ece9; padding: 38px 0; font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-inner p { margin: 0; }
.footer-inner a { color: #fff; }
.article-hero { background: #e8ede6; border-bottom: 1px solid #cbd7cd; padding: 44px 0 49px; }
.breadcrumb { margin-bottom: 21px; color: #52645b; font-size: 13px; }
.breadcrumb a { text-decoration: none; }
.article-hero h1 { max-width: 900px; margin: 0 0 14px; font-size: clamp(32px, 4vw, 50px); line-height: 1.27; word-break: keep-all; }
.article-hero p { max-width: 780px; margin: 0; color: #475b51; font-size: 18px; }
.article { max-width: 830px; padding: 47px 0 76px; }
.article img { width: 100%; height: auto; margin-bottom: 32px; }
.article .lead { color: var(--ink); font-size: 18px; }
.article h2 { margin: 39px 0 12px; font-size: 25px; line-height: 1.4; }
.article p { color: #41514b; }
.article .note { margin: 35px 0; border-left: 5px solid var(--blue); background: #e8ede6; padding: 17px 23px; }
.article .note p { margin: 0; }
.article .button { background: var(--ink); border-color: var(--ink); color: #fff; }
.related { border-top: 1px solid var(--line); margin-top: 46px; padding-top: 24px; }
.related a { color: var(--blue); font-weight: 800; }
@media (max-width: 900px) {
  .header-actions { display: none; }
  .guide a { grid-template-columns: 42px 180px 1fr 25px; gap: 16px; }
  .guide img { width: 180px; height: 126px; }
}
@media (max-width: 650px) {
  .wrap { width: min(100% - 32px, 1120px); }
  .header-inner { min-height: 62px; flex-wrap: wrap; }
  .brand { max-width: calc(100% - 60px); white-space: normal; font-size: 15px; }
  .menu-toggle { display: block; margin-left: auto; }
  .nav { display: none; width: 100%; margin: 0; padding-bottom: 14px; flex-direction: column; align-items: start; gap: 10px; }
  .nav.open { display: flex; }
  .hero { min-height: 460px; }
  .hero::before { background: linear-gradient(90deg, rgba(19, 25, 26, .94), rgba(19, 25, 26, .64)); }
  .hero-copy { padding: 42px 0; }
  .hero h1 { font-size: 35px; }
  .hero p { font-size: 16px; }
  .section { padding: 49px 0; }
  .section-head h2 { font-size: 26px; }
  .guide a { grid-template-columns: 37px 104px 1fr; gap: 12px; padding: 16px 0; }
  .guide img { width: 104px; height: 106px; }
  .guide h3 { font-size: 18px; }
  .guide p { font-size: 14px; }
  .guide .arrow { display: none; }
  .summary-band { padding: 39px 0; }
  .summary-grid { grid-template-columns: 1fr; gap: 24px; }
  .summary-grid h2 { font-size: 20px; }
  .article-hero { padding: 33px 0; }
  .article { padding: 32px 0 61px; }
}